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Recognised as Colour

#3B68FD

  • #3B68FD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3B68FD is a blue with RGB values 59, 104, 253 and HSL 226°, 98%, 61%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3B68FD#3B68FD
HEX#3B68FD
RGBrgb(59, 104, 253)
RGB (0–1)0.2314, 0.4078, 0.9922
RGB percentages23.1%, 40.8%, 99.2%
HSLhsl(226.1, 98%, 61.2%)
HSV / HSBhsv(226.1, 76.7%, 99.2%)
CMYK76.7%, 58.9%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,893,501
CSS custom property--colour: #3B68FD;

Brightness & contrast

Relative luminance0.17922WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.58:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.58:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#C49702

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007FFFno red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#006DFAno green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#008EA9no blue cones; rare, and affects men and women equally; ΔE 80.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.58:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 14.2Royal blue · ΔE 16.6Slate blue · ΔE 21Medium purple · ΔE 28.9Dodgerblue · ΔE 31.9Blue violet · ΔE 34.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDD03B
Analogous#3BC9FD, #6F3BFD
Triadic#FD3B68, #68FD3B
Split complementary#FD6F3B, #C9FD3B
Tetradic#FD3BC9, #FDD03B, #3BFD6F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D2DDFF
Lighter +20%#A0B6FE
Lighter +10%#6D8FFE
Darker −10%#0941FC
Darker −20%#0232D0
Darker −30%#02269D
Darker −40%#011A6B
More saturated +25%#3967FF
Less saturated −25%#5475E4

Channel breakdown

R59
G104
B253
Red59 (23.1%)
Green104 (40.8%)
Blue253 (99.2%)
Hue226.08°
Saturation (HSL)97.98%
Lightness61.18%
Dominant channelBlue
Hex per channelR 3B · G 68 · B FD

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Every value on this page was computed from “3b68fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.